Timeline for When does a $D$-module think it’s a pullback along a smooth morphism?
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
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| Jul 15, 2021 at 17:02 | comment | added | Will Sawin | If $Y = X \times Z$ and the inclusion $X\to Y$ is by a point in $Z$, then this is true if $A$ is pulled back from $Z$, and also in that case the transversality holds. Also I know some similar properties generalize from smooth morphisms to the characteristic-cycle-transversal condition. | |
| Jul 15, 2021 at 15:21 | comment | added | Exit path | @WillSawin could you say anything more about the intuition behind your guess? | |
| Jul 15, 2021 at 13:30 | comment | added | Will Sawin | Maybe it's true when $f$ is transverse to the characteristic cycle of $A$. | |
| Jul 15, 2021 at 12:18 | history | asked | Exit path | CC BY-SA 4.0 |